LOW PROFILE MICROPROCESSOR CRYSTALS
FEATURES
SERIES AS (HC-49/S)
EXCELLENT CLOCK SIGNAL GENERATOR FOR CPU’s
3.5 mm MAXIMUM HEIGHT
AVAILABLE IN EXTENDED TEMPERATURE RANGE
SAME PIN LAYOUT AS HC-49/U
SPECIFICATIONS
FREQUENCY RANGE
3.20 MHz TO 70.00 MHz
FUNDAMENTAL
3.20 MHz TO 40.320 MHz
MODE OF OSCILLATION
THIRD OVERTONE
24.576 MHz TO 70.00 MHz
±30 PPM TYPICAL
±50 PPM MAXIMUM
FREQUENCY TOLERANCE AT 25°C
±50 PPM TYPICAL
±100 PPM MAXIMUM
FREQUENCY STABILITY OVER TEMPERATURE RANGE
OPERATING TEMPERATURE RANGE
-20º C TO +70º C STANDARD
-40º C TO +85º C EXTENDED
-55º C TO +125º C
STORAGE TEMPERATURE RANGE
AGING
±5 PPM PER YEAR MAXIMUM
10 pF TO 32 pF OR SERIES
SEE TABLE
LOAD CAPACITANCE
EQUIVALENT SERIES RESISTANCE (ESR)
DRIVE LEVEL
0.1 mW TYPICAL
AT STRIP
CRYSTAL CUT
TYPICAL FREQUENCIES AND ESR CHARACTERISTICS
FREQUENCY ESR MAX
FREQUENCY ESR MAX
FREQUENCY ESR MAX
FREQUENCY ESR MAX
MODE
MODE
MODE
MODE
(MHz)
3.579545
3.6864
4.00
(OHM)
180
150
130
130
130
130
130
130
100
80
(MHz)
(OHM)
60
60
60
60
60
50
50
50
50
50
50
50
50
50
50
50
(MHz)
14.7456
16.00
(OHM)
(MHz)
47.92
48.00
50.688
52.416
56.448
60
(OHM)
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
8.064
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
FUND
50
FUND
FUND
70
3OT
3OT
3OT
3OT
3OT
3OT
3OT
8.192
40
70
8.6436
9.60
16.000312
16.384
19.6608
20.00
40
FUND
70
4.032
40
FUND
70
4.096
9.8304
10.00
40
FUND
70
4.194304
4.433619
4.9152
5.0688
6.00
40
FUND
70
10.24
24.00
40
FUND
70.00
70
10.244
10.245
11.00
24.576
27.00
40/80
40/80
40/80
40/70
40/70
40/70
40/70
40/70
40/70
FUND/3OT
FUND/3OT
FUND/3OT
FUND/3OT
FUND/3OT
FUND/3OT
FUND/3OT
FUND/3OT
FUND/3OT
28.63636
29.00
OTHER FREQUENCIES
ARE AVAILABLE
6.144
80
11.0592
11.2896
12.00
6.176
80
32.00
7.15909
7.3728
7.680
70
32.768
36.00
70
12.288
12.80
70
40.00
8.00
60
14.31818
40.320
PART NUMBERING SYSTEM
HOLDER TYPE
FREQUENCY
LOAD CAPACITANCE
MODE*
-
-
-
-
10 TO 32 pF FOR PARALLEL
S FOR SERIES
F
FUNDAMENTAL
AS HC-49 SHORT
IN MHz
3OT THIRD OVERTONE
EXTENDED
MECHANICAL
OPTIONS
TOLERANCE/STABILITY**
HEIGHT**
TAPE AND REEL
TR
TEMPERATURE
STD 4.6 mm (STANDARD)
H32 3.2 mm (CUSTOM)
H30 3.0 mm (CUSTOM)
H25 2.5 mm (CUSTOM)
-
-
-
-
(PPM/PPM)
3PIN THREE PIN BASE
EXT
EXAMPLES: 1020, 1010
SP
SPACER
** INCLUDED INTHE PART NUMBER ONLY IF DIFFERENT FROMTHE STANDARD.
* ONLY FOR FREQUENCIES OVER 24.576 MHz
EXAMPLES:AS-10.000-20-F-3PIN-TR, AS-32.000-18-3OT-1010-EXT-SP-H30-TR
Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A.
Tel: 305-593-6033 Fax: 305-594-3973 e-mail: sales@raltron.com Internet: http://www.raltron.com